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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:32:23
WDS:
MCA70AA,AC
WDS ID/Discoverer
P:
125.000
Orbital period (years)
a:
0.324
Semi-major axis (arcseconds)
i:
54.6
Inclination (degrees)
Ω:
166.1
Longitude of ascending node (degrees)
T:
2028.800
Epoch of periastron passage (year)
e:
0.82
Eccentricity
ω:
26.0
Longitude of periastron (degrees)
Start-Year:
1963.0
Year
End-Year:
2087.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
221352.73+394253.7
Epoch-2000 right ascension and declination
WDS-ID:
22139+3943
WDS designation
Discoverer Code:
MCA70AA,AC
Discover designation and components
ADS number:
15758
Aitken Double Star catalog
HD number:
211073
HD catalog number
Hipparcos number:
109754
Hipparcos catalog number
V1:
4.69
Magnitude of the primary
V2:
8.15
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.079 98.2
-------------------------
1963.0 0.554 0.8
1964.0 0.553 1.1
1965.0 0.552 1.4
1966.0 0.551 1.8
1967.0 0.550 2.1
1968.0 0.548 2.4
1969.0 0.546 2.8
1970.0 0.544 3.1
1971.0 0.542 3.5
1972.0 0.539 3.8
1973.0 0.536 4.1
1974.0 0.533 4.5
1975.0 0.530 4.8
1976.0 0.527 5.2
1977.0 0.523 5.6
1978.0 0.520 5.9
1979.0 0.516 6.3
1980.0 0.511 6.7
1981.0 0.507 7.1
1982.0 0.502 7.5
1983.0 0.497 7.9
1984.0 0.492 8.3
1985.0 0.487 8.7
1986.0 0.481 9.1
1987.0 0.476 9.6
1988.0 0.470 10.0
1989.0 0.464 10.5
1990.0 0.457 11.0
1991.0 0.450 11.4
1992.0 0.444 11.9
1993.0 0.436 12.5
1994.0 0.429 13.0
1995.0 0.421 13.5
1996.0 0.414 14.1
1997.0 0.406 14.7
1998.0 0.397 15.3
1999.0 0.389 16.0
2000.0 0.380 16.7
2001.0 0.371 17.4
2002.0 0.361 18.1
2003.0 0.352 18.9
2004.0 0.342 19.8
2005.0 0.331 20.6
2006.0 0.321 21.6
2007.0 0.310 22.6
2008.0 0.299 23.7
2009.0 0.287 24.8
2010.0 0.276 26.1
2011.0 0.264 27.5
2012.0 0.251 29.0
2013.0 0.239 30.7
2014.0 0.226 32.5
2015.0 0.212 34.6
2016.0 0.199 37.0
2017.0 0.185 39.7
2018.0 0.171 42.9
2019.0 0.156 46.7
2020.0 0.142 51.2
2021.0 0.128 56.7
2022.0 0.114 63.6
2023.0 0.100 72.5
2024.0 0.088 83.8
2025.0 0.079 98.2
2026.0 0.072 115.9
2027.0 0.068 136.3
2028.0 0.064 159.1
2029.0 0.052 189.0
2030.0 0.043 237.8
2031.0 0.057 281.9
2032.0 0.084 303.1
2033.0 0.111 313.9
2034.0 0.137 320.5
2035.0 0.162 325.0
2036.0 0.184 328.3
2037.0 0.206 331.0
2038.0 0.226 333.1
2039.0 0.245 334.9
2040.0 0.263 336.5
2041.0 0.280 337.9
2042.0 0.296 339.1
2043.0 0.311 340.2
2044.0 0.325 341.2
2045.0 0.339 342.1
2046.0 0.352 342.9
2047.0 0.364 343.7
2048.0 0.376 344.4
2049.0 0.387 345.1
2050.0 0.398 345.8
2051.0 0.408 346.4
2052.0 0.418 347.0
2053.0 0.427 347.5
2054.0 0.436 348.1
2055.0 0.445 348.6
2056.0 0.453 349.1
2057.0 0.461 349.6
2058.0 0.468 350.0
2059.0 0.475 350.5
2060.0 0.481 350.9
2061.0 0.488 351.3
2062.0 0.494 351.8
2063.0 0.499 352.2
2064.0 0.505 352.6
2065.0 0.510 353.0
2066.0 0.515 353.3
2067.0 0.519 353.7
2068.0 0.523 354.1
2069.0 0.527 354.4
2070.0 0.531 354.8
2071.0 0.534 355.2
2072.0 0.537 355.5
2073.0 0.540 355.8
2074.0 0.543 356.2
2075.0 0.545 356.5
2076.0 0.547 356.9
2077.0 0.549 357.2
2078.0 0.551 357.5
2079.0 0.552 357.9
2080.0 0.553 358.2
2081.0 0.554 358.5
2082.0 0.555 358.8
2083.0 0.555 359.2
2084.0 0.556 359.5
2085.0 0.556 359.8
2086.0 0.555 0.1
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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